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- This reverts commit 1e3bae22f3718341dea2d33c0a077a387537a6be.
- Changing gcc toolchain to 4.9 version.
- Fix linker error of unknown CPU architecture by
  adding CONFIG_MSM_CORTEX_A7 in the arch options
  for the GCC. The issue is seen after bump up to
  gcc-4.9.
- Fix section mismatch errors after upgrading gcc to 4.9
  version. To fix these errors variables are moved to
  appropriate sections.

Change-Id: I7b5c9212e63826a0cb5b7e4ab161737ae87a2157
Signed-off-by: Samir Mehta <samirn@codeaurora.org>